Question

impartiti segmentul ab in 3 parti direct proportionale cu numerele
a)6,2,4
b)10,5,9
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Answer 1

a/6 = b/2 = c/4 = (a+b+c) / (6+2+4) = 12 / 12 = 1
           ↓
a=6 x 1 =6cm
b=2 x 1 =2cm
c=4 x 1 = 4cm